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发明名称
WASSERDICHTER SAUERSTOFFUEHLER
摘要
申请公布号
DE4007819(A1)
申请公布日期
1990.09.20
申请号
DE19904007819
申请日期
1990.03.12
申请人
NGK INSULATORS, LTD., NAGOYA, AICHI, JP
发明人
KATO, NOBUHIDE, AICHI, JP;KATSU, MASANORI, NAGOYA, AICHI, JP
分类号
G01N27/409;G01N27/04;G01N27/403;G01N27/407;G01N27/416
主分类号
G01N27/409
代理机构
代理人
主权项
地址
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